How to set an item stacking rule on task executer?

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Briankuo asked Jul 13, '23 Natalie White commented Jul 18, '23

How to set an item stacking rule on task executer?

I would like to have my task executer stack items like how queue does. Each layer stacks nine item, and they are stacked from first layer upwards. Here's what i write in trigger function On Load:

treenode item = param(1);

treenode current = ownerobject(c);

treenode station = param(2);
{

treenode involved = item;

double x = xloc(item)+.59;

double y = yloc(item)+.07;

double z = zloc(item)-1.2;

setloc(involved, x, y, z);

}

and it stacks items in a tower. How can i revise the code? Thank you in advance!

Software Version:

FlexSim 22.0.16

queue taskexecutor stacking item stacking stack

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Natalie White commented · Jul 18, 2023 at 02:32 PM

Hi @Briankuo, was one of Jason Lightfoot's or David Seo's answers helpful? If so, please click the "Accept" button at the bottom of the one that best answers your question. Or if you still have questions, add a comment and we'll continue the conversation.

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Answer 1 · 2023-07-13T11:05:27Z

Jason Lightfoot answered Jul 13, '23 Jason Lightfoot edited Jul 13, '23

You need to refer to the rank and size of the item in your stacking logic. You can do it in the Visual>Set Location option of the OnLoad trigger.

This example stacks items in 3 x 3 layers:

Example model attached.

OnLoadStackingLogic.fsm

1689246146852.png (10.7 KiB)

1689247140349.png (84.2 KiB)

onloadstackinglogic.fsm (29.4 KiB)

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Jason Lightfoot ♦♦ commented · Jul 13, 2023 at 02:33 PM

Here's another version where you can just specify the x and y dimensions (and offset position) using the labels on the task executer:

OnLoadStackingLogic2.fsm

In this case the expressions are a little more complex:

(note: strictly speaking I should have used 'involved' rather than 'item')

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1689258727829.png (71.9 KiB)

Answer 2 · 2023-07-13T03:04:40Z

David Seo answered Jul 13, '23 David Seo edited Jul 13, '23

@Briankuo

You can solve your stacking method using item property changed.

Use container item like Tote or Pallet not basic item box.

You can add new a container item in Flowitem Bin and change the new pallet visual to box visual.

You do not need to use setloc() script code.

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